Former Dallas Cowboys coach, now TV analyst, Jimmy Johnson has been cast as part of the latest Survivor season. Per ESPN.com’s source, Johnson was unable to comment. This rumor has NOT been confirmed yet, as CBS has yet to release the official cast list. The cast will likely be released sometime in August. CBS announced today that Survivor: Nicaragua (it’s 21st season) will premiere on September 15 @ 8PM EST. Stick to the Yak for your reality updates and if you’re a Big Brother fan, join us in our forums for the summer pre-Survivor craze!